Hooray for global warming! Melting ice has created a fantastic "ice cathedral" in a grotto under the Nigard Glacier, one of Norway's major glaciers:

He described the ice grotto as "fantastic," with "extremely blue" colors and large icicles hanging from its ceiling. "But it's changing from day to day," he said, noting that ice is a "moving phenomenon."

The grotto is believed to have been created by rising temperatures. "It's the running water under the ice that has made the ice over it melt," noted Kjærvik.